CrystalSpace

Public API Reference

csplugincommon/win32/customcursor.h
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00001 /*
00002     Copyright (C) 2004 by Jorrit Tyberghein
00003               (C) 2004 by Frank Richter
00004 
00005     This library is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License as published by the Free Software Foundation; either
00008     version 2 of the License, or (at your option) any later version.
00009 
00010     This library is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013     Library General Public License for more details.
00014 
00015     You should have received a copy of the GNU Library General Public
00016     License along with this library; if not, write to the Free
00017     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018 */
00019 
00020 #ifndef __CS_CANVAS_WIN32CANVASCOMMON_CUSTOMCURSOR_H__
00021 #define __CS_CANVAS_WIN32CANVASCOMMON_CUSTOMCURSOR_H__
00022 
00027 #include "csextern_win.h"
00028 #include "csutil/csstring.h"
00029 #include "csutil/hash.h"
00030 #include "csutil/refcount.h"
00031 #include "csutil/weakkeyedhash.h"
00032 #include "csutil/weakref.h"
00033 #include "csgfx/rgbpixel.h"
00034 
00041 class CS_CSPLUGINCOMMON_WIN_EXPORT csWin32CustomCursors
00042 {
00043   struct CachedCursor : public CS::Utility::FastRefCount<CachedCursor>
00044   {
00045     HCURSOR cursor;
00046     bool destroyAsIcon;
00047 
00048     CachedCursor ()
00049     {
00050       cursor = 0;
00051       destroyAsIcon = false;
00052     }
00053     CachedCursor (HCURSOR h, bool b) : cursor (h), destroyAsIcon (b) {}
00054     ~CachedCursor();
00055   };
00056   CS::Container::WeakKeyedHash<csRef<CachedCursor>, csWeakRef<iImage> > cachedCursors;
00057 
00058   csPtr<CachedCursor> CreateMonoCursor (iImage* image, const csRGBcolor* keycolor, 
00059     int hotspot_x, int hotspot_y);
00060 public:
00061   ~csWin32CustomCursors ();
00062 
00063   HCURSOR GetMouseCursor (iImage* image, const csRGBcolor* keycolor, 
00064     int hotspot_x, int hotspot_y, csRGBcolor fg, csRGBcolor bg);
00065 private:
00066 
00067   csPtr<CachedCursor> CreateCursor (iImage* image, const csRGBcolor* keycolor,
00068     int hotspot_x, int hotspot_y);
00069 };
00070 
00073 #endif // __CS_CANVAS_WIN32CANVASCOMMON_CUSTOMCURSOR_H__
00074 

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